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From: Peter Maydell <peter.maydell@linaro.org>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Cc: Andrew Jones <drjones@redhat.com>, qemu-arm <qemu-arm@nongnu.org>,
	QEMU Developers <qemu-devel@nongnu.org>,
	"patches@linaro.org" <patches@linaro.org>
Subject: Re: [Qemu-devel] [Qemu-arm] [PATCH for-2.12] hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses
Date: Fri, 23 Mar 2018 09:45:18 +0000	[thread overview]
Message-ID: <CAFEAcA8fLGnPyM0R=O58BqYVYw6gbXtPcVQg0GFiM7n4=GWN8Q@mail.gmail.com> (raw)
In-Reply-To: <48f559bd-9f54-bcdd-1f3c-f6fafccfc54e@amsat.org>

On 22 March 2018 at 20:42, Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> Hi Peter,
>
> On 03/22/2018 03:29 PM, Peter Maydell wrote:
>> On 22 March 2018 at 14:23, Andrew Jones <drjones@redhat.com> wrote:
>>> On Thu, Mar 15, 2018 at 01:34:41PM +0000, Peter Maydell wrote:
>>>> If the GIC has the security extension support enabled, then a
>>>> non-secure access to ICC_PMR must take account of the non-secure
>>>> view of interrupt priorities, where real priorities 0..0x7f
>>>> are secure-only and not visible to the non-secure guest, and
>>>> priorities 0x80..0xff are shown to the guest as if they were
>>>> 0x00..0xff. We had the logic here wrong:
>>>
>>> 0x00..0x7f
>>
>> I think 0x00..0xff is correct.
>
> I guess Andrew only suggested to correct the hex prefix in your comment:
> - ... where real priorities 0..0x7f
> + ... where real priorities 0x00..0x7f

Oh, right. Yes, can do that. I was confused by the suggested correction
being directly under "0x00..0xff" in my commit message.

thanks
-- PMM

  reply	other threads:[~2018-03-23  9:45 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-15 13:34 [Qemu-devel] [PATCH for-2.12] hw/intc/arm_gicv3: Fix secure-GIC NS ICC_PMR and ICC_RPR accesses Peter Maydell
2018-03-22 12:51 ` Peter Maydell
2018-03-22 14:23 ` Andrew Jones
2018-03-22 18:29   ` Peter Maydell
2018-03-22 20:42     ` [Qemu-devel] [Qemu-arm] " Philippe Mathieu-Daudé
2018-03-23  9:45       ` Peter Maydell [this message]
2018-03-23 10:08       ` Andrew Jones
2018-03-23  2:23 ` [Qemu-devel] " Philippe Mathieu-Daudé

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